abstract:In Chinese writing, a proper name mark (Simplified Chinese: 专名号, zhuānmínghào; Traditional Chinese: 專名號) is an underline used to mark proper names, such as the names of people, places, dynasties, organizations. The related book name mark (Simplified Chinese: 书名号, shūmínghào; Traditional Chinese: 書名號)， indicated by a wavy underline (﹏﹏) is used to mark the titles of publications or texts.